<?php

isset($_GET['liter']) ? $liter =$_GET['liter'] : $liter ='';

isset($_GET['temp']) ? $temp =$_GET['temp'] : $temp ='';

isset($_GET['press']) ? $press =$_GET['press'] : $press ='';

isset($_GET['wtemp']) ? $wtemp =$_GET['wtemp'] : $wtemp ='';



$pdo = new PDO('mysql:host=HOSTNAME;dbname=DATENBANKNAME', 'USER', 'PASSWORD');



// Daten Füllen

$datum = date("Y.m.d H:i:s");

$statement = $pdo->prepare("INSERT INTO Tabellenname (liter, temp, press, wtemp, datum) VALUES (?, ?, ?, ?, ?)");

$statement->execute(array($liter, $temp, $press, $wtemp, $datum));   

?>